<template>
  <Dialog :title="dialogTitle" top="20vh" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="话题名称" prop="name">
        <el-input v-model="formData.name" placeholder="请输入话题名称" clearable />
      </el-form-item>
      <el-form-item label="话题简介" prop="introduce">
        <el-input v-model="formData.introduce" placeholder="请输入话题简介" clearable />
      </el-form-item>
      <el-form-item label="话题封面" prop="coverImg">
        <el-popover placement="right" :width="300" trigger="hover">
          <template #reference>
            <UploadImg v-model="formData.coverImg" height="150px" />
          </template>
          <el-input
            v-model="formData.coverImg"
            :rows="3"
            type="textarea"
            placeholder="可直接输入图片网络链接地址"
          />
        </el-popover>
      </el-form-item>
      <el-form-item label="话题排序" prop="sort">
        <el-input-number v-model="formData.sort" controls-position="right" :min="0" />
      </el-form-item>
      <el-form-item label="首页话题" prop="homeFlag">
        <template #label>
          <Tooltip
            message="选择“是”时，该话题将作为社区首页TAB栏话题快捷过滤项"
            title="首页话题"
          />
        </template>
        <el-radio-group v-model="formData.homeFlag">
          <el-radio key="true" :value="true" border>是</el-radio>
          <el-radio key="false" :value="false" border>否</el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="formData.status" clearable placeholder="请选择状态">
          <el-option
            v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script lang="ts" setup>
import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
import { CommonStatusEnum } from '@/utils/constants'
import { UploadImg } from '@/components/UploadFile'
import * as topicApi from '@/api/club/topic'
import * as ClubApi from "@/api/club/dynamic";

defineOptions({ name: 'TopicForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的话题：create - 新增；update - 修改
const formData = ref({
  id: undefined,
  name: '',
  coverImg: '',
  status: CommonStatusEnum.ENABLE,
  introduce: '',
  homeFlag: false,
  sort: 0,
})
const formRules = reactive({
  name: [{ required: true, message: '话题名称不能为空', trigger: 'blur' }],
  coverImg: [{ required: true, message: '话题封面不能为空', trigger: 'blur' }],
  sort: [{ required: true, message: '话题排序不能为空', trigger: 'blur' }],
  homeFlag: [{ required: true, message: '请选择是否首页话题', trigger: 'change' }],
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await topicApi.getTopic(id)
    } finally {
      formLoading.value = false
    }
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  if (!formRef) return
  const valid = await formRef.value.validate()
  if (!valid) return
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value
    if (formType.value === 'create') {
      await topicApi.createTopic(data)
      message.success(t('common.createSuccess'))
    } else {
      await topicApi.updateTopic(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    name: '',
    coverImg: '',
    status: CommonStatusEnum.ENABLE,
    introduce: '',
    homeFlag: false,
    sort: 0,
  }
  formRef.value?.resetFields()
}
</script>
